CalcuRun

Are you tired of juggling several apps, websites, or bookmarks to plan your race training? CalcuRun is an all-in-one solution. All features are accessible for free – in-app purchases are available only if you would like to leave a tip.
Features
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- Input a recent race or time trial and get accurate predictions across other common race distances.
- Use the "Other" race distance for all of your non-standard events.
- View splits for each race, in kilometers or miles.
- Get workout paces based on your predictions.
- Use the Calculator to plan out an individual race. Input a time or pace and calculate the other.
- Learn more about how the calculations are performed.

Best of all, calculations and data-storage happen on your device. CalcuRun does not require internet access, login information, or other device permissions. Your data is safe and private! If you choose to follow any of the in-apps links, only the URL will be passed to your default browser.